/* ====== Reset ====== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;color:#1f2937;line-height:1.7;background:#fff;font-size:15px}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s}
ul,ol{list-style:none}
h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.3;color:#0f2a3f}

/* ====== 主题色（墨绿+金） ====== */
:root{
  --primary:#0e3a3a;
  --primary-dark:#082525;
  --primary-light:#1a5757;
  --accent:#c89b3c;
  --accent-light:#e3bf6a;
  --bg-light:#f7f5f0;
  --bg-card:#ffffff;
  --text:#1f2937;
  --text-light:#6b7280;
  --border:#e5e7eb;
  --shadow:0 4px 20px rgba(14,58,58,.08);
  --shadow-lg:0 10px 40px rgba(14,58,58,.12);
  --radius:8px;
  --container:1200px;
  --transition:all .3s ease;
}

.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:80px 0}
.section-light{background:var(--bg-light)}
.btn{display:inline-block;padding:12px 28px;border-radius:var(--radius);font-weight:600;cursor:pointer;transition:var(--transition);border:none;font-size:14px;letter-spacing:.5px}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:#a8841f;transform:translateY(-2px)}
.btn-outline{background:transparent;color:#fff;border:2px solid #fff}
.btn-outline:hover{background:#fff;color:var(--primary)}
.btn-ghost{background:transparent;color:var(--primary);border:2px solid var(--primary)}
.btn-ghost:hover{background:var(--primary);color:#fff}

/* ====== Topbar & Header ====== */
.topbar{background:var(--primary-dark);color:#cbd5e1;font-size:13px;padding:8px 0}
.topbar .container{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}
.topbar-info{display:flex;gap:24px;flex-wrap:wrap}
.topbar-info span{display:inline-flex;align-items:center;gap:6px}
.topbar-actions{display:flex;align-items:center;gap:16px}
.lang-switch{cursor:pointer;background:transparent;border:1px solid rgba(255,255,255,.3);color:#fff;padding:4px 12px;border-radius:4px;font-size:12px;transition:var(--transition)}
.lang-switch:hover{background:var(--accent);border-color:var(--accent)}

.header{background:#fff;box-shadow:0 2px 8px rgba(0,0,0,.05);position:sticky;top:0;z-index:100}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 0}
.logo{display:flex;align-items:center;gap:14px}
.logo-img{width:56px;height:56px;border-radius:50%;background:#fff;padding:3px;box-shadow:0 0 0 1px var(--border);object-fit:contain}
.logo-text h1{font-size:17px;color:var(--primary);margin-bottom:2px;letter-spacing:1px}
.logo-text p{font-size:10px;color:var(--text-light);letter-spacing:2px}
.nav{display:flex;align-items:center;gap:2px}
.nav li>a{display:block;padding:9px 14px;font-size:14px;font-weight:500;color:#1f2937;position:relative;transition:var(--transition);border-radius:4px;white-space:nowrap}
.nav li>a:hover,.nav li>a.active{color:var(--primary);background:rgba(14,58,58,.06)}
.nav li>a::after{content:'';position:absolute;left:50%;bottom:2px;width:0;height:2px;background:var(--accent);transition:var(--transition);transform:translateX(-50%)}
.nav li>a:hover::after,.nav li>a.active::after{width:60%}
.nav-toggle{display:none;background:none;border:none;font-size:24px;cursor:pointer;color:var(--primary)}

/* ====== Hero ====== */
.hero{position:relative;height:560px;overflow:hidden}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;z-index:0}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(8,37,37,.85) 0%,rgba(14,58,58,.75) 50%,rgba(8,37,37,.85) 100%);z-index:1}
.hero-pattern{position:absolute;inset:0;opacity:.06;background-image:repeating-linear-gradient(45deg,transparent,transparent 35px,rgba(255,255,255,.5) 35px,rgba(255,255,255,.5) 36px);z-index:1}
.hero-content{position:relative;z-index:2;height:100%;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;color:#fff;padding:0 24px}
.hero-badge{display:inline-block;background:rgba(200,155,60,.2);border:1px solid var(--accent);color:var(--accent-light);padding:6px 20px;border-radius:30px;font-size:13px;letter-spacing:2px;margin-bottom:24px}
.hero-title{font-size:48px;font-weight:800;margin-bottom:16px;letter-spacing:2px;text-shadow:0 2px 20px rgba(0,0,0,.3)}
.hero-subtitle{font-size:18px;margin-bottom:8px;font-weight:300;letter-spacing:4px;color:var(--accent-light)}
.hero-desc{font-size:16px;max-width:700px;margin:24px auto 36px;opacity:.9;line-height:1.8}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap;justify-content:center}

/* ====== Section header ====== */
.sec-header{text-align:center;max-width:760px;margin:0 auto 56px}
.sec-eyebrow{display:inline-block;color:var(--accent);font-size:13px;letter-spacing:3px;font-weight:600;margin-bottom:10px;text-transform:uppercase}
.sec-title{font-size:34px;color:var(--primary);margin-bottom:14px}
.sec-divider{width:60px;height:3px;background:var(--accent);margin:0 auto 18px;border-radius:2px}
.sec-sub{color:var(--text-light);font-size:15px;line-height:1.8}

/* ====== Cards ====== */
.grid{display:grid;gap:24px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--bg-card);border-radius:var(--radius);box-shadow:var(--shadow);padding:28px 24px;transition:var(--transition);border:1px solid var(--border)}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:var(--accent)}
.card-icon{width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary-light));color:#fff;display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:18px}
.card h3{font-size:18px;margin-bottom:10px;color:var(--primary)}
.card p{color:var(--text-light);font-size:14px;line-height:1.7}

/* ====== About ====== */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.about-img{position:relative;height:380px;border-radius:var(--radius);overflow:hidden;background:var(--primary);box-shadow:var(--shadow-lg)}
.about-img img{width:100%;height:100%;object-fit:cover}
.about-content h2{font-size:28px;color:var(--primary);margin-bottom:16px;line-height:1.3}
.about-content>p{color:var(--text);margin-bottom:14px;line-height:1.9}
.about-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:30px;padding-top:28px;border-top:1px solid var(--border)}
.stat{text-align:center}
.stat-num{font-size:28px;font-weight:800;color:var(--accent);display:block;line-height:1}
.stat-label{font-size:12px;color:var(--text-light);margin-top:6px}

/* ====== Motto / Philosophy ====== */
.motto{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;padding:90px 0;position:relative;overflow:hidden}
.motto::before{content:'';position:absolute;inset:0;background:radial-gradient(circle at 80% 20%,rgba(200,155,60,.15),transparent 40%),radial-gradient(circle at 20% 80%,rgba(255,255,255,.05),transparent 40%)}
.motto .container{position:relative;z-index:2}
.motto-cn{font-size:68px;font-weight:800;text-align:center;letter-spacing:28px;margin-bottom:24px;color:var(--accent-light);text-shadow:0 4px 20px rgba(0,0,0,.2)}
.motto-en{text-align:center;font-size:16px;letter-spacing:6px;color:rgba(255,255,255,.7);margin-bottom:50px}
.motto-three{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.motto-item{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);padding:30px;text-align:center;backdrop-filter:blur(6px)}
.motto-item h4{font-size:18px;color:var(--accent-light);margin-bottom:10px}
.motto-item p{font-size:14px;color:rgba(255,255,255,.85);line-height:1.7}

/* ====== Team / Leadership ====== */
.leader-card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;border:1px solid var(--border);transition:var(--transition)}
.leader-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.leader-img{width:100%;height:520px;object-fit:cover;object-position:top center;background:var(--bg-light)}
.leader-info{padding:24px}
.leader-info h3{font-size:20px;color:var(--primary);margin-bottom:4px}
.leader-title{color:var(--accent);font-size:14px;font-weight:600;margin-bottom:14px}
.leader-info p{font-size:14px;color:var(--text);line-height:1.8}
.leader-info ul{margin-top:12px}
.leader-info li{padding:6px 0;font-size:14px;color:var(--text-light);border-bottom:1px dashed var(--border)}

.team-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:40px}
.team-card{text-align:center;padding:28px 20px;background:#fff;border-radius:var(--radius);border:1px solid var(--border);transition:var(--transition)}
.team-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.team-avatar{width:80px;height:80px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary-light));color:#fff;display:flex;align-items:center;justify-content:center;font-size:28px;margin:0 auto 16px}
.team-card h4{font-size:17px;color:var(--primary);margin-bottom:4px}
.team-card .role{font-size:13px;color:var(--accent);margin-bottom:10px}
.team-card p{font-size:13px;color:var(--text-light);line-height:1.6}

/* ====== Courses ====== */
.course-hero{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;padding:70px 0;text-align:center}
.course-hero h2{font-size:34px;color:#fff;margin-bottom:12px}
.course-hero p{color:rgba(255,255,255,.85);max-width:760px;margin:0 auto;font-size:15px;line-height:1.8}

.course-stage{display:flex;gap:24px;margin-top:40px;position:relative}
.course-stage::before{content:'';position:absolute;top:28px;left:60px;right:60px;height:2px;background:var(--border);z-index:0}
.stage-item{flex:1;text-align:center;position:relative;z-index:1}
.stage-num{width:56px;height:56px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:800;margin:0 auto 16px;border:4px solid #fff;box-shadow:var(--shadow)}
.stage-item h4{font-size:17px;color:var(--primary);margin-bottom:8px}
.stage-item p{font-size:13px;color:var(--text-light);line-height:1.6}

.subject-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:30px}
.subject-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:16px;text-align:center;transition:var(--transition)}
.subject-item:hover{border-color:var(--accent);transform:translateY(-3px)}
.subject-icon{font-size:28px;margin-bottom:8px}
.subject-item h5{font-size:14px;color:var(--primary);margin-bottom:4px}
.subject-item span{font-size:12px;color:var(--text-light)}

.feature-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:30px}
.feature-item{display:flex;gap:14px;padding:18px;background:#fff;border-radius:var(--radius);border:1px solid var(--border)}
.feature-icon{width:44px;height:44px;border-radius:50%;background:rgba(200,155,60,.12);color:var(--accent);display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}
.feature-item h4{font-size:16px;color:var(--primary);margin-bottom:4px}
.feature-item p{font-size:13px;color:var(--text-light);line-height:1.6}

.pathway-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:30px}
.pathway-card{background:#fff;border-radius:var(--radius);padding:20px;text-align:center;border:1px solid var(--border);transition:var(--transition)}
.pathway-card:hover{border-color:var(--accent)}
.pathway-card .flag{font-size:28px;margin-bottom:8px}
.pathway-card h5{font-size:14px;color:var(--primary);margin-bottom:4px}
.pathway-card p{font-size:12px;color:var(--text-light)}

/* ====== Admissions ====== */
.admission-highlight{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;border-radius:var(--radius);padding:36px;margin-bottom:40px}
.admission-highlight h3{font-size:22px;color:var(--accent-light);margin-bottom:16px}
.highlight-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:24px}
.highlight-item{text-align:center;padding:18px;background:rgba(255,255,255,.08);border-radius:var(--radius);border:1px solid rgba(255,255,255,.12)}
.highlight-item .num{font-size:32px;font-weight:800;color:var(--accent-light)}
.highlight-item p{font-size:13px;color:rgba(255,255,255,.85);margin-top:6px}

.info-card{background:#fff;border-radius:var(--radius);padding:28px;margin-bottom:24px;border:1px solid var(--border)}
.info-card h3{font-size:20px;color:var(--primary);margin-bottom:16px;padding-bottom:12px;border-bottom:2px solid var(--accent);display:inline-block}
.info-card p,.info-card li{font-size:15px;color:var(--text);line-height:1.9}
.info-card ul li{padding:8px 0;border-bottom:1px dashed var(--border)}
.info-card ul li:last-child{border-bottom:none}

.scholarship-table{width:100%;border-collapse:collapse;margin-top:18px;font-size:14px}
.scholarship-table th{background:var(--primary);color:#fff;padding:14px 12px;text-align:left}
.scholarship-table td{padding:14px 12px;border-bottom:1px solid var(--border);color:var(--text)}
.scholarship-table tr:nth-child(even){background:var(--bg-light)}

/* ====== News ====== */
.news-list{display:grid;gap:24px}
.news-item{display:grid;grid-template-columns:220px 1fr;gap:24px;background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);transition:var(--transition)}
.news-item:hover{box-shadow:var(--shadow-lg);border-color:var(--accent)}
.news-thumb{height:100%;min-height:160px;background:var(--primary);position:relative;overflow:hidden}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-content{padding:22px 22px 22px 0}
.news-meta{display:flex;gap:16px;font-size:13px;color:var(--text-light);margin-bottom:10px}
.news-tag{background:var(--primary);color:#fff;padding:2px 10px;border-radius:4px;font-size:12px}
.news-content h3{font-size:18px;color:var(--primary);margin-bottom:10px}
.news-content p{font-size:14px;color:var(--text-light);line-height:1.7;margin-bottom:14px}
.news-more{color:var(--accent);font-weight:600;font-size:13px}
.news-more:hover{color:var(--primary)}

/* ====== Campus ====== */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.gallery-item{border-radius:var(--radius);overflow:hidden;height:240px;position:relative;background:var(--primary);box-shadow:var(--shadow)}
.gallery-item img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.gallery-item:hover img{transform:scale(1.08)}
.gallery-caption{position:absolute;bottom:0;left:0;right:0;background:linear-gradient(transparent,rgba(8,37,37,.85));color:#fff;padding:16px;font-size:14px}
.gallery-item.large{grid-column:span 2;grid-row:span 2;height:100%;min-height:500px}

.campus-feature{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:40px}
.campus-card{background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);display:flex;flex-direction:column}
.campus-card-img{height:200px;background:var(--bg-light);overflow:hidden}
.campus-card-img img{width:100%;height:100%;object-fit:cover}
.campus-card-body{padding:22px;flex:1}
.campus-card-body h4{font-size:18px;color:var(--primary);margin-bottom:10px}
.campus-card-body p{font-size:14px;color:var(--text-light);line-height:1.7}

/* ====== Contact ====== */
.contact-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:40px}
.contact-info h3{font-size:22px;color:var(--primary);margin-bottom:20px}
.contact-item{display:flex;gap:16px;margin-bottom:22px}
.contact-icon{width:46px;height:46px;border-radius:50%;background:rgba(14,58,58,.08);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}
.contact-item h4{font-size:16px;color:var(--primary);margin-bottom:4px}
.contact-item p{font-size:14px;color:var(--text-light)}
.contact-map{height:100%;min-height:360px;border-radius:var(--radius);overflow:hidden;background:var(--bg-light);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;flex-direction:column;padding:24px}
.qr-code{width:160px;height:160px;border-radius:var(--radius);border:1px solid var(--border);padding:8px;background:#fff;margin-bottom:12px}
.qr-code img{width:100%;height:100%;object-fit:contain}

/* ====== Footer ====== */
.footer{background:var(--primary-dark);color:rgba(255,255,255,.75);padding:60px 0 20px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand h3{font-size:18px;color:#fff;margin-bottom:12px}
.footer-brand p{font-size:13px;line-height:1.8;color:rgba(255,255,255,.65)}
.footer h4{font-size:15px;color:#fff;margin-bottom:16px}
.footer-links li{margin-bottom:10px}
.footer-links a:hover{color:var(--accent-light)}
.footer-contact-item{display:flex;gap:10px;margin-bottom:12px;font-size:13px;color:rgba(255,255,255,.65)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:20px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:12px;color:rgba(255,255,255,.5)}

/* ====== Page title banner ====== */
.page-banner{position:relative;height:260px;display:flex;align-items:center;justify-content:center;text-align:center;color:#fff;overflow:hidden}
.page-banner .banner-bg{position:absolute;inset:0;background-size:cover;background-position:center;z-index:0}
.page-banner .banner-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(8,37,37,.88),rgba(14,58,58,.78));z-index:1}
.page-banner .container{position:relative;z-index:2}
.page-banner h1{font-size:38px;color:#fff;margin-bottom:10px}
.page-banner p{font-size:15px;color:rgba(255,255,255,.85);letter-spacing:2px}
.breadcrumb{font-size:13px;color:rgba(255,255,255,.7);margin-top:12px}
.breadcrumb a:hover{color:var(--accent-light)}

/* ====== Utilities ====== */
.text-center{text-align:center}
.mt-4{margin-top:24px}
.mb-0{margin-bottom:0}
.fade-in{opacity:0;transform:translateY(20px);transition:opacity .8s,transform .8s}
.fade-in.visible{opacity:1;transform:translateY(0)}

/* ====== Responsive ====== */
@media (max-width:1024px){
  .nav li>a{padding:9px 11px;font-size:13px}
  .about-grid{grid-template-columns:1fr;gap:36px}
  .about-img{height:300px}
  .gallery-item.large{grid-column:span 1;grid-row:span 1;min-height:240px}
  .contact-grid{grid-template-columns:1fr}
  .course-stage::before{display:none}
  .leader-img{height:480px}
}

@media (max-width:768px){
  .section{padding:60px 0}
  .topbar-info{font-size:12px;gap:14px}
  .nav{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;padding:16px;box-shadow:var(--shadow);align-items:stretch;gap:0}
  .nav.active{display:flex}
  .nav li>a{padding:12px 16px;border-radius:0}
  .nav li>a:hover,.nav li>a.active{background:rgba(14,58,58,.06)}
  .nav-toggle{display:block}
  .header-inner{padding:10px 0}
  .logo-img{width:48px;height:48px}
  .logo-text h1{font-size:15px}
  .logo-text p{font-size:9px}
  .hero{height:480px}
  .hero-title{font-size:28px;letter-spacing:1px}
  .hero-subtitle{font-size:14px;letter-spacing:2px}
  .hero-desc{font-size:14px}
  .sec-title{font-size:26px}
  .grid-3,.grid-2,.grid-4,.about-stats,.motto-three,.team-grid,.subject-grid,.pathway-grid,.feature-list,.campus-feature,.gallery{grid-template-columns:1fr}
  .about-stats{grid-template-columns:repeat(2,1fr)}
  .motto-cn{font-size:42px;letter-spacing:10px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .page-banner{height:220px}
  .page-banner h1{font-size:28px}
  .course-stage{flex-direction:column}
  .stage-item{margin-bottom:20px}
  .news-item{grid-template-columns:1fr}
  .news-thumb{min-height:180px}
  .news-content{padding:18px}
  .highlight-grid{grid-template-columns:repeat(2,1fr)}
  .leader-img{height:440px}
}